This activity will help you continue to learn, following the workshop "MATLAB: First steps":
These are not MATLAB, but cover related important scientific computing skills:
There is also a blog on good Best Practices for Scientific Computing:
MathWorks self paced courses (free to all at University):
MathWorks Coding Challenges for developing computational thinking:
Information site for MATLAB @ Oxford: https://eng.ox.ac.uk/matlab/